Gradient color matching for poster

Quick answer：

Gradient color matching for posters involves selecting complementary or harmonious color gradients to create an aesthetically pleasing design. It typically requires an understanding of color theory, including color harmony and contrast, to ensure that the gradient enhances the visual appeal of the poster. This process often involves choosing a base color and gradually blending it into another, using software tools like Adobe Photoshop or Illustrator to achieve the desired effect.